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Patent Searching and Data


Matches 151 - 200 out of 37,859

Document Document Title
WO/2020/120659A1
The invention relates to a scroll compressor (3) for refrigerant of a vehicle climate control system, comprising: a housing (12) having a high-pressure chamber (29) and having compressor chambers (24), and having a counter-pressure chamb...  
WO/2020/121809A1
This fluid machine is provided with a fixed scroll (33), an orbiting scroll (20), and a rotation preventing mechanism portion (50). In order to prevent rotational movement of the orbiting scroll, the rotation preventing mechanism portion...  
WO/2020/118581A1
A compressor (100) comprises: a cover (110), a fixed scroll (120), an orbiting scroll (130), a connecting block (150) and a check valve (140); a gas supplement channel (112) is arranged on the cover (110); the fixed scroll (120) is fixed...  
WO/2020/121443A1
In a rotary compressor according to an embodiment, the axial thickness of a partition plate is less than the axial thickness of a first flange part and the axial thickness of a second flange part. The area of a portion of an end face of ...  
WO/2020/120746A1
The invention relates to a lobe pump having: a pump housing with a pump chamber; an inlet opening and an outlet opening; a first multi-vaned rotary piston, which is situated in the pump chamber and is mounted rotatably about a first rota...  
WO/2020/118816A1
A compressor assembly and a preparation method, a rotary compressor comprising the compressor assembly, and an air-conditioning device. The compressor assembly comprises a sliding blade (1), a piston (2), and a connecting member (3); a f...  
WO/2020/113904A1
A rotary compressor, comprising: a cylinder (1) provided with a sliding vane groove (12); a sliding vane (3) installed in the sliding vane groove (12); a cam mechanism (2), a cam part of which is rotatably provided in the cylinder (1); a...  
WO/2020/116007A1
Provided is a screw compressor that can reduce a pressure loss of a suction passage. A casing 12 of the screw compressor comprises: a bore 21 that accommodates a tooth part 13A of a male rotor 11A and a tooth part 13B of a female rotor 1...  
WO/2020/116781A1
Provided is a high-pressure scroll compressor including a separate discharge flow path provided at a back pressure chamber such that, when discharged refrigerant is introduced into the back pressure chamber, the discharged refrigerant ca...  
WO/2020/114754A1
The invention relates to a pumping unit comprising: - a primary vacuum pump, - a Roots-type vacuum pump (3) comprising a pumping stage (7) having a stator (9) inside of which two Roots rotors (5) are configured to rotate synchronously in...  
WO/2020/115795A1
This scroll compressor comprises a fixed scroll with a helical scroll lap protruding from a fixed base plate, and an orbiting scroll with a helical scroll lap protruding from an orbiting base plate, the scroll laps engaging with each oth...  
WO/2020/114044A1
Disclosed is a compressor, comprising a moving disk (1), cooling pipes and a crankshaft (3), wherein the cooling pipes comprise an inlet pipe (9) and an outlet pipe (10); an axial through hole (16) is provided at the center of the moving...  
WO/2020/108232A1
A scroll compressor and a positioning method for use in a static scroll component of the scroll compressor. The scroll compressor comprises: a housing (13), a compressing mechanism, and a main bearing base (14, 24, and 34). The compressi...  
WO/2020/108224A1
A scroll compressor having a sealed-oil interception structure, comprising: a partition plate unit (116) which has an orifice by means of which an exhaust gas passes, and a first sealing surface (M1) located at a bottom side of the parti...  
WO/2020/110503A1
A first vane (127S) of a rotary compressor (1) is provided with a base material (127SB), a diamond-like carbon coating film (127SD) and a nitrided film (127SN). The base material (127SB) contains a nitride-forming element. The diamond-li...  
WO/2020/105171A1
Disclosed is a rotary compressor equipped with a compression mechanism part for compressing a refrigerant, wherein the compression mechanism part is provided with: an annular cylinder; a piston that rotates within a cylinder chamber form...  
WO/2020/098037A1
A sliding vane structure, a pump assembly, and a compressor. The sliding vane structure comprises: a hinge connection sliding vane (10), a first end of the hinge connection sliding vane (10) being hinge-connected to a roller (40), a midd...  
WO/2020/095608A1
A liquid supply type screw compressor includes a screw rotor having a plurality of tooth spaces, and a casing that has an accommodation chamber for rotatably accommodating the screw rotor and forms a working chamber together with the scr...  
WO/2020/095386A1
This scroll fluid machine is for compressing or expanding fluid containing air-fuel mixture gas and is provided with: a turning disc including a spiral-shaped first wrap standing on a first surface and a spiral-shaped second wrap standin...  
WO/2020/093924A1
A scroll compressor comprises: a compression mechanism (CM), wherein the compression mechanism (CM) comprises a fixed scroll (22) and an orbiting scroll (24), the fixed scroll (22) comprises a fixed scroll end plate, a fixed scroll wrap,...  
WO/2020/096201A1
An electric compressor according to the present invention comprises: a compression module for compressing a fluid; and an inverter module for controlling the operation of the compression module, wherein the inverter module comprises: a p...  
WO/2020/095328A1
An oil-free water-injected screw air compressor comprises a housing that encloses two rotors for generating compressed air, an air water separator for separating the water from the compressed air. Injecting water during compression can r...  
WO/2020/088152A1
A pump body component, a variable-capacity compressor and an air regulation system. The pump body component comprises a first compression portion (1), a second compression portion (2) and a partition plate (3); the first compression port...  
WO/2020/087654A1
A sealing structure and a scroll air compressor having same. The sealing structure comprising: a moving scroll plate (10), comprising a moving plate scroll (11), the moving plate scroll (11) having disposed thereon a moving plate scroll ...  
WO/2020/090080A1
In this compressor provided with an outer-rotor-type motor, an inclination when a stator is fixed is suppressed, and a decline in the performance of the compressor caused by manufacturing variations of products is suppressed. To this end...  
WO/2020/083310A1
An oil supply mechanism (100) of a rotary machine and a rotary machine having the oil supply mechanism (100). The rotary machine comprises a rotary shaft (10). The oil supply mechanism (100) comprises a main oil supply passage (12), a by...  
WO/2020/084753A1
This compressor comprises: a sealed container; a compression mechanism unit that compresses fluid flowing into the sealed container; a drain port which drains fluid compressed by the compression mechanism part and which is formed, in a p...  
WO/2020/084916A1
This screw compressor is provided with: a plurality of screw rotors; a plurality of suction-side bearings for respectively rotatably supporting the suction sides of the plurality of screw rotors; a plurality of discharge-side bearings fo...  
WO/2020/083312A1
A counterweight assembly for a scroll compressor and the scroll compressor (10). The counterweight assembly comprises a bushing (200) and counterweights (100, 400) mounted on the bushing. A driving shaft (30) of the scroll compressor (10...  
WO/2020/085752A1
Disclosed is a compressor. A compressor provided according to an embodiment of the present invention can supply oil to a region of a suction chamber or back pressure chamber and allow the oil to stably remain therein.  
WO/2020/083309A1
An oil supply mechanism (200) of rotating machinery and rotating machinery having the oil supply mechanism (200). The oil supply mechanism (200) comprises: an oil pump device (2), wherein the oil pump device (2) is connected to a rotatin...  
WO/2020/083313A1
A scroll compressor (10) comprises: a moving scroll (160) comprising a shank portion (163); a driving shaft (130) comprising an eccentric recess (132, 132a, 132b); and a bushing (400, 400a, 400b). The shank portion (163) is fit inside th...  
WO/2020/077790A1
A variable capacity compressor operation mode determination method, apparatus, variable capacity compressor, and air conditioner. The variable capacity compressor operation mode determination method comprises: before switching the operat...  
WO/2020/077588A1
A method for controlling an oil-free scroll compressor for a rail transportation wind source system. The steps comprise: using two axial-flow fans with different wind volumes to respectively cool a radiator and a compressor; a total wind...  
WO/2020/078934A1
The invention relates to a rotary piston machine (1) and a method for producing a seal (6) in a rotary piston machine (1). The rotary piston machine (1) is provided with: at least two piston pairs (2) connected via a cross-piece, wherein...  
WO/2020/078821A1
The invention relates to a method used to control a scroll compressor, which has a first and a second spiral in particular that are arranged one inside the other. The first spiral can be moved relative to the second spiral for a decompre...  
WO/2020/082095A2  
WO/2020/075474A1
A compressor (10) is provided with a compression mechanism section (30), an electric motor section (20), a housing (12), and a main shaft (14). The compression mechanism section is disposed on one axial side of the inside of the housing,...  
WO/2020/073640A1
Disclosed is a self-lubricating scroll compressor, comprising a static plate (1) and a movable plate (2) meshing together, and a housing (3) by means of which the static plate (1) and the movable plate (2) are mounted together, wherein a...  
WO/2020/075220A1
A screw compressor according to an embodiment is provided with: a rotor casing; a pair of screw rotors disposed in the rotor casing and meshing with each other; and a movable portion disposed movably along the direction of rotor shafts o...  
WO/2020/063270A1
A water-lubricated sliding vane air compressor, comprising: a shell (1), a large end cap (2), a small end cap (3), a stator (4), a rotor (5), a sliding vane (6), an air filter (7), an air intake valve (8), a water-gas separator (9), a ch...  
WO/2020/062608A1
A variable capacity compressor, a cylinder switching method and an air conditioner. The variable capacity compressor comprises: a cylinder (1); a rotor (2), provided in the cylinder (1), and forming an air chamber between the rotor and t...  
WO/2020/062602A1
A compressor pump body, a compressor and an air conditioner, the compressor pump body comprising a sliding vane (1), a first flange (3) and a second flange, wherein the sliding vane (1) comprises a main body (10); the main body (10) is p...  
WO/2020/067739A1
Disclosed herein is a scroll compressor capable of optimizing a position where a load is applied from a support member to an orbiting scroll. The scroll compressor includes a fixed scroll fixed to an inside of a body, an orbiting scroll ...  
WO/2020/061998A1
A compressor (10) includes a compression mechanism (18) and a driveshaft (62) that drives the compression mechanism (18). The driveshaft (62) may include a first axially extending passage (94), a second axially extending passage (96), an...  
WO/2020/059775A1
This liquid-supply-type compressor comprises: a compressor body having a rotor that compresses a gas drawn in together with a liquid supplied to a working chamber, and a casing that houses the rotor; a drive source that supplies driving ...  
WO/2020/059608A1
The purpose of the invention is to provide a multiple-stage compressor in which numerous vales, openings, and pipes unique to two-stage compression are consolidated, and which can be maintained and made compact. To achieve this purpose, ...  
WO/2020/057535A1
A scroll compressor, comprising a first scroll component (62) and a second scroll component (60). A first scroll blade (78) of the first scroll component (62) is engaged with a second scroll blade (66) of the second scroll component (60)...  
WO/2020/056982A1
A screw compressor slide valve (20) that has an airflow pulsation attenuation function and a screw compressor. The slide valve (20) is mainly composed of a wall surface (21) and slide valve through holes (24). On one hand, exhaust of the...  
WO/2020/057452A1
A scroll compressor. The scroll compressor comprises: a housing (10); a compression mechanism (20) comprising a fixed scroll (21) and a movable scroll (22), with a series of compression chambers (23) for compressing a working fluid being...  

Matches 151 - 200 out of 37,859